biostudies-literatureConner WRNational Institutes of HealthNatural Environment Research CouncilBiotechnology and Biological Sciences Research CouncilNIGMS NIH HHS9391-9404https://www.ebi.ac.uk/biostudies/studies/S-EPMC5696437biostudies-literatureUnknown7(22)<i>Wolbachia</i> endosymbionts may be acquired by horizontal transfer, by introgression through hybridization between closely related species, or by cladogenic retention during speciation. All three modes of acquisition have been demonstrated, but their relative frequency is largely unknown. <i>Drosophila suzukii</i> and its sister species <i>D. subpulchrella</i> harbor <i>Wolbachia</i>, denoted <i>w</i>Suz and <i>w</i>Spc, very closely related to <i>w</i>Ri, identified in California populations of <i>D. simulans</i>. However, these variants differ in their induced phenotypes: <i>w</i>Ri causes significant cytoplasmic incompatibility (CI) in <i>D. simulans</i>, but CI has not been detected in <i>D. suzukii</i> or <i>D. subpulchrella</i>. Our draft genomes of <i>w</i>Suz and <i>w</i>Spc conEcology and evolutionGenome comparisons indicate recent transfer of <i>w</i>Ri-like <i>Wolbachia</i> between sister species <i>Drosophila suzukii</i> and <i>D. subpulchrella</i>.PMC5696437NE/J011355/1BB/K020161/1R01 GM104325R8/H10/56R01‐GM‐104325‐01Turelli MRota-Stabelli OOmetto LConner WRAnfora GBlaxter MLfalseGenome comparisons indicate recent transfer of <i>w</i>Ri-like <i>Wolbachia</i> between sister species <i>Drosophila suzukii</i> and <i>D. subpulchrella</i>.<i>Wolbachia</i> endosymbionts may be acquired by horizontal transfer, by introgression through hybridization between closely related species, or by cladogenic retention during speciation. All three modes of acquisition have been demonstrated, but their relative frequency is largely unknown. <i>Drosophila suzukii</i> and its sister species <i>D. subpulchrella</i> harbor <i>Wolbachia</i>, denoted <i>w</i>Suz and <i>w</i>Spc, very closely related to <i>w</i>Ri, identified in California populations of <i>D. simulans</i>. However, these variants differ in their induced phenotypes: <i>w</i>Ri causes significant cytoplasmic incompatibility (CI) in <i>D. simulans</i>, but CI has not been detected in <i>D. suzukii</i> or <i>D. subpulchrella</i>. Our draft genomes of <i>w</i>Suz and <i>w</i>Spc con2017-01-01T00:00:00Z2017 Nov2026-04-30T00:55:37.56Z2019-03-27T03:02:33ZS-EPMC56964372918797610.1002/ece3.3449